Home / 1,149,617.81-1,586,473.01-666,463.04

Finding the Fourth Proportional to 1,149,617.81, 1,586,473.01 and 666,463.04

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Solution

The fourth proportional to 1,149,617.81, 1,586,473.01 and 666,463.04 is: 919,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,617.81 : 1,586,473.01 = 666,463.04 : x
  2. Step 2: Convert to fraction form
    1,149,617.81/1,586,473.01 = 666,463.04/x
  3. Step 3: Cross multiply
    1,149,617.81x = 1,586,473.01 × 666,463.04
  4. Step 4: Simplify right side
    1,149,617.81x = 1,057,325,613,857.87
  5. Step 5: Solve for x
    x = 1,057,325,613,857.87/1,149,617.81
  6. Step 6: Final answer
    x = 919,719.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.